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Product Name
Human CD34 (Fc Tag) recombinant protein
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Description
Cluster of Differentiation 34 (CD34) is a member of a family of single-pass transmembrane sialomucin proteins, and may function as a cell-cell adhesion factor. CD34 protein is selectively expressed on hematopoietic progenitor cells and the small vessel endothelium of a variety of tissues. It has been widely used as a stem and progenitor cell marker, and clinical CD34+ stem cell transplantation (CD34+SCT) has been performed for tumor purging. CD34 monoclonal antibodies are widely used to identify and isolate hemopoietic progenitors and to classify acute and chronic leukemias.
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Protein name
Hematopoietic progenitor cell antigen CD34
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Protein short names
CD34; RP11-328D5.2; AU040960
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Uniprot ID
P28906
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Gene Name
CD34
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Source/Expression Host
Human Cells
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Expression Plasmid/cDNA
A DNA sequence encoding the extracellular domain of human CD34 precursor (NP_001020280.1) (Met 1-Thr 290) was fused with the Fc region of human IgG1 at the C-terminus.
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Protein Species
Human
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Molecular weight
The recombinant human CD34/Fc is a disulfide-linked homodimer generated after removal of the signal peptide. The reduced monomer consists of 497 amino acids and has a predicted molecular mass of 54 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of the protein is 116 and 96 kDa due to different glycosylation.
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Purity
> (67.1+28.7) % as determined by SDS-PAGE
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Activity
Measured by the ability of the immobilized protein to support the adhesion of the HUVEC human umbilical vein endothelial cell line. When 4 x 10E4 cells/well are added to human CD34 coated plates (0.8 μg/ml, 100 μl/well), approximately >40 % will adhere after one hour at 37 ℃.
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Validations
Human CD34 Protein (Fc Tag) SDS-PAGE
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